Cheapest return flights from Washington to Monrovia in December from $1413

AirHint found the following cheapest return flights from Washington (IAD) to Monrovia (ROB) in December 2025 (see full year).

Return flights

05 Dec - 16 Jan Royal Air Maroc
04 Dec - 11 Dec Ethiopian Airlines
27 Dec - 11 Jan Ethiopian Airlines
10 Dec - 09 Jan Royal Air Maroc
12 Dec - 04 Jan Ethiopian Airlines
12 Dec - 05 Jan Ethiopian Airlines
13 Dec - 05 Jan Ethiopian Airlines
19 Dec - 04 Jan Ethiopian Airlines

Also check the deals for one-way flights from Washington to Monrovia in December.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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